| What it does | Visual log viewer for local text logs on macOS, Windows, and Linux
| Fast data grid and pivot table for React and JavaScript with virtual scrolling and Web Worker support
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| Stage | Not given
| Startup
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| Founded | Not given
| 2026
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| Based in | Not given
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| Pricing model | Freemium
| Freemium
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| Pricing | Not given
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| Key features | - Color-coded heatmap navigation with block, minimap, and timeline views
- Multi-gigabyte file handling with bounded memory and progressive analysis
- Live tail mode for growing files with rotation-aware refresh
- Archive extraction for ZIP, TAR, GZIP, and BZIP2 bundles
| - Virtual scrolling: handles millions of rows with only visible rows in the DOM
- Web Worker offload for filtering and sorting above ~20,000 rows
- Columnar encoding with typed arrays for fast sorting and filtering
- Server-side data loading and filtering
- Sorting and filtering with custom comparators
- Inline editing with validation and lookups
- Multi-level grouping and master-detail views
- Excel and PDF export with styling
- Calculated columns with spreadsheet formulas
- Interactive charts and drill-down
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| What makes it different | - Handles multi-gigabyte files with bounded memory and progressive analysis
- Visual heatmap interface for quick pattern recognition across entire files
- Native cross-platform application optimized for focused log analysis
- Free tier for files up to 10 MiB with Pro features for larger files
| - Free Community edition with no expiry, watermark or license key for commercial use
- Paid versions never expire or lock users out; shipped applications keep running without watermarks
- No license server; keys checked locally via public key compiled into the package
- Handles millions of rows efficiently with only the visible window rendered
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 19 ▼ −2 (down) since last check | 37 ● no change since last check |
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| Trust Flow (Majestic) | 22 | 6 |
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| Citation Flow (Majestic) | 11 | 28 |
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| Referring domains (Majestic) | 86 | 26 |
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KanuniLabs